#VU89989 Memory leak in Linux kernel - CVE-2022-48698

Vulnerability identifier: #VU89989

Vulnerability risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-48698

CWE-ID: CWE-401

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Linux kernel
Operating systems & Components / Operating system

Vendor: Linux Foundation

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to memory leak within the crtc_debugfs_init() function in drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: All versions

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External links
https://git.kernel.org/stable/c/58acd2ebae034db3bacf38708f508fbd12ae2e54
https://git.kernel.org/stable/c/3a6279d243cb035eaaff1450980b40cf19748f05
https://git.kernel.org/stable/c/cbfac7fa491651c57926c99edeb7495c6c1aeac2

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.